Corpus for keyctl$unlink:

Coverage	Program
629	add_key$keyring-add_key$keyring-add_key$fscrypt_v1-add_key$fscrypt_v1-keyctl$unlink
594	sched_setaffinity-add_key$user-perf_event_open-add_key$keyring-add_key$keyring-keyctl$unlink
447	perf_event_open-keyctl$unlink-socket$packet-setsockopt$packet_fanout-add_key
28	keyctl$unlink
22	keyctl$unlink